public class Main {
    public static void main(String[] args) {
        int a = 10;
        Integer b = a;
        System.out.println(b);
        Integer c = new Integer(20);
        int d = c.intValue();
        System.out.println(d);
        int[] ax = new int[5];
        int onn(){

        }
    }
}
class Alg<T>{
    T[] array = new T[3];//编译时有搽除机制，类型全部转换为object
    public class T max(T array[]){

    }
}